Home / 145,211.40-217,817.10-113,718.60

Finding the Fourth Proportional to 145,211.40, 217,817.10 and 113,718.60

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Solution

The fourth proportional to 145,211.40, 217,817.10 and 113,718.60 is: 170,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.40 : 217,817.10 = 113,718.60 : x
  2. Step 2: Convert to fraction form
    145,211.40/217,817.10 = 113,718.60/x
  3. Step 3: Cross multiply
    145,211.40x = 217,817.10 × 113,718.60
  4. Step 4: Simplify right side
    145,211.40x = 24,769,855,668.06
  5. Step 5: Solve for x
    x = 24,769,855,668.06/145,211.40
  6. Step 6: Final answer
    x = 170,577.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.